Novel approach for extending the depth of field of Barcode decoders by using RGB channels of information

Benjamin Milgrom; Naim Konforti; Michael A. Golub; Emanuel Marom

doi:10.1364/OE.18.017027

Novel approach for extending the depth of field of Barcode decoders by using RGB channels of information

Benjamin Milgrom^*, Naim Konforti, Michael A. Golub, Emanuel Marom

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

Abstract

A specially designed phase mask embedded in the lens assembly of an imaging system is shown to provide different response in the three major color bands, R, G and B of a detector array. Each channel provides optimal performance for different depth of field regions, such that the three channels jointly provide an imaging system with wide depth of field. The approach is useful in particular for Barcode imagers.

Original language	English
Pages (from-to)	17027-17039
Number of pages	13
Journal	Optics Express
Volume	18
Issue number	16
DOIs	https://doi.org/10.1364/OE.18.017027
State	Published - 2 Aug 2010

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10.1364/OE.18.017027

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abstract = "A specially designed phase mask embedded in the lens assembly of an imaging system is shown to provide different response in the three major color bands, R, G and B of a detector array. Each channel provides optimal performance for different depth of field regions, such that the three channels jointly provide an imaging system with wide depth of field. The approach is useful in particular for Barcode imagers.",

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Novel approach for extending the depth of field of Barcode decoders by using RGB channels of information

Abstract

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